Multiple choice technology programming languages

Choose the correct option - Transformations which have only Input/Output ports

  1. Expression

  2. Router

  3. Lookup

  4. Aggregator

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A Correct answer
Explanation

Expression transformation is a passive transformation that only has input and output ports - no input/output or output/input ports like Active transformations. Router has input, output, and input/output ports for routing data. Lookup has input/output and output ports for returning lookup results. Aggregator has input/output and output ports for group calculations.